/ Dictionary / Index H hemoptysis: Meaning and Definition of Find definitions for: he•mop•ty•sis Pronunciation: (hi-mop'tu-sis), [key] — n. Pathol. the expectoration of blood or bloody mucus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hemoptysis (Thesaurus) hemopoiesis hemorrhage Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language